Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1103/physreva.40.7387 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Scheme for Quantum-Logic Based Transfer of Accuracy in Polarizability Measurement for Trapped Ions Using a Moving Optical Lattice.
Phys Rev Lett
February 2024
Physikalisch-Technische Bundesanstalt, 38116 Braunschweig, Germany.
Optical atomic clocks based on trapped ions suffer from systematic frequency shifts of the clock transition due to interaction with blackbody radiation from the environment. These shifts can be compensated if the blackbody radiation spectrum and the differential dynamic polarizability is known to a sufficient precision. Here, we present a new measurement scheme, based on quantum logic that allows a direct transfer of precision for polarizability measurements from one species to the other.
View Article and Find Full Text PDFExcitonic Rydberg States in a Trilayer to Monolayer H-Aided CVD-Grown Large-Area MoS Film with Excellent UV to Visible Broad Band Photodetection Applications.
ACS Appl Mater Interfaces
January 2024
School of Physical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India.
The diverse nature of optoelectronic properties of few-layer or monolayer MoS is generally dominated by A and B excitons. Occasionally, strong Coulombic interactions within the 2D monolayer led to the creation of hydrogen-like Rydberg states of excitons in MoS similar to other 2D monolayers. In this paper, a simple process is used to convert trilayer MoS films to a monolayer by introducing H gas during chemical vapor deposition.
View Article and Find Full Text PDFInterlayer Excitons in Transition Metal Dichalcogenide Semiconductors for 2D Optoelectronics.
Adv Mater
June 2022
Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore, 138634, Singapore.
Optoelectronic materials that allow on-chip integrated light signal emitting, routing, modulation, and detection are crucial for the development of high-speed and high-throughput optical communication and computing technologies. Interlayer excitons in 2D van der Waals heterostructures, where electrons and holes are bounded by Coulomb interaction but spatially localized in different 2D layers, have recently attracted intense attention for their enticing properties and huge potential in device applications. Here, a general view of these 2D-confined hydrogen-like bosonic particles and the state-of-the-art developments with respect to the frontier concepts and prototypes is presented.
View Article and Find Full Text PDFOn the nature of the solvated electron in ice Ih.
Phys Chem Chem Phys
February 2016
Instituto de Física 'Gleb Wataghin', Universidade Estadual de Campinas, 13083-859, Campinas-SP, Brazil.
The water-solvated excess electron (EE) is a key chemical agent whose hallmark signature, its asymmetric optical absorption spectrum, continues to be a topic of debate. While nearly all investigation has focused on the liquid-water solvent, the fact that the crystalline-water solvated EE shows a very similar visible absorption pattern has remained largely unexplored. Here, we present spin-polarized density-functional theory calculations subject to periodic boundary conditions of the interplay between an EE and a number of intrinsic lattice defects in ice Ih.
View Article and Find Full Text PDFComputed and Experimental Absorption Spectra of the Perovskite CH3NH3PbI3.
J Phys Chem Lett
September 2014
§School of Physical and Mathematical Sciences, Singapore 637371.
Electronic structure and light absorption properties of the perovskite CH3NH3PbI3 are investigated by relativistic density functional theory with quasiparticle GW corrections and many-body interactions. The nature of the Wannier exciton is studied by solving the Bethe-Salpeter equation augmented with the analysis of a conceptual hydrogen-like model. The computed absorption spectrum unravels a remarkable absorption "gap" between the first two absorption peaks.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!